Curtain convenient to fold

By designing a curtain system including alternate interspersed tightening lines and wire retraction devices, the problem of inconvenient sorting of existing fixed curtain tightening lines is solved, and the convenient folding and fixing of the curtain is achieved, and the convenience and regularity of use are improved.

CN222840803UActive Publication Date: 2025-05-09ZHEJIANG BAIHE WINDOW DECORATION CO LTD
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Patent Information

Application Number
CN202421818711.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-09
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The tightening line of existing fixed curtains is long, which is inconvenient for organization, making it difficult to effectively fold and fix.

Method used

A curtain system including curtain poles, cords, alternate interspersed tightening lines and wire retraction devices is designed. The wire retraction device includes a housing, a limiting rod, a rotating part, a return spring and a wire retraction groove. Through these components, the tightening wire can be easily rolled and unfolded, achieving convenient folding and fixing of the cord.

Benefits of technology

By setting up a wire-receiving device, the cord fabric is more convenient to fold and fix, and the function of one-click expansion and closing is realized, avoiding the problem of tightening the line and improving the overall convenience and regularity of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222840803U_ABST
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Abstract

The utility model relates to the field of curtains, in particular to a curtain convenient to fold. Comprising a curtain supporting rod; a curtain cloth; two ends of the tightening line are fixedly connected with the curtain cloth; the take-up device is arranged on the curtain cloth, and the take-up device is used for taking up the tightening line; the take-up device comprises a shell, the top of the shell is provided with a rotating hole, and the two sides of the shell are each provided with a wire passing opening; the limiting rod part is arranged at the top of the bottom surface of the first shell, and a pawl is arranged on the limiting rod part; a rotating inner cavity is formed in the lower end of the rotating part, the limiting rod part is arranged in the rotating inner cavity, an inner ratchet wheel matched with the pawl is arranged in the rotating inner cavity, tooth valleys of the inner ratchet wheel are in smooth transition with the inner wall, above the inner ratchet wheel, of the rotating inner cavity, and the upper end of the rotating part extends out through the rotating hole; the reset spring is arranged between the top of the limiting rod part and the rotating part; according to the utility model, the cord fabric is more convenient to fold and fix by arranging the take-up device, and a one-key unfolding function is set.
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Description

Technical Field

[0001] The utility model relates to the field of curtains, in particular to a curtain which is easy to fold. Background Art

[0002] Curtains are decorative objects used to cover windows, usually made of cloth, mesh, plastic or other materials. They are not only used to control the light in and out of the room, but also provide privacy and decorative effects.

[0003] There is a type of curtain that is fixed to the window and cannot be opened or closed by pulling or sliding. This type of curtain usually refers to a fixed curtain, such as a hanging curtain or a Roman blind fixed to the window frame. They usually adopt a fixed design, such as a hanging rod installed on the window frame or a bracket fixed to the wall.

[0004] One of the advantages of fixed curtains is that they don't need to be opened and closed frequently, so they are more stable and durable. They can also provide a long-lasting decorative effect because they will not wear out or be damaged with frequent use.

[0005] This type of curtain is often used in situations where light or privacy does not need to be adjusted frequently, such as decorative windows or in rooms where other light-blocking features are already installed. They can be used as part of a room's décor to add beauty, but they can also be used as decorative window coverings, such as adding colorful curtains above a window to enhance the room's visual appeal.

[0006] Generally, tightening wire is used for binding, but the tightening wire is long and inconvenient to organize.

[0007] Therefore, there is an urgent need to provide an improved technical solution to solve the above technical problems. Utility Model Content

[0008] The utility model aims to solve the above-mentioned technical problems and provide a curtain with more organized and tightened lines for easy folding.

[0009] In view of this, the utility model provides a curtain that is easy to fold, which is characterized by comprising:

[0010] Curtain rods;

[0011] The curtain cloth, the upper end of which is fixedly mounted on the curtain support rod;

[0012] The tightening wires are alternately inserted in the middle of the curtain and fixedly connected to the curtain at both ends;

[0013] A wire taking-up device, which is arranged on the cord and is used to wind up and tighten the cord;

[0014] The wire take-up device includes:

[0015] The shell has a rotating hole on the top and a wire opening on each side;

[0016] A limiting rod portion, which is arranged at the top of the bottom surface of the first shell and has a ratchet claw;

[0017] The rotating part has a rotating inner cavity at the lower end thereof, the limiting rod is arranged in the rotating inner cavity, and the rotating inner cavity is provided with an inner ratchet wheel matched with the pawl, the tooth valley of the inner ratchet wheel and the inner wall of the rotating inner cavity above the inner ratchet wheel are in smooth transition, and the upper end of the rotating part extends out through the rotating hole;

[0018] A return spring is arranged between the top of the limiting rod and the rotating part.

[0019] Furthermore, it also includes: a wire taking-up groove, which is arranged on the surface of the rotating part, and the tightening wire is fixed at the bottom of the wire taking-up groove.

[0020] Furthermore, the housing comprises:

[0021] The main body is a tubular structure with a bottom, and two symmetrical wire openings are arranged on the wall of the tube;

[0022] The cover body is threadedly connected and arranged on the top of the main body, and a rotating hole is arranged on the cover body.

[0023] Furthermore, it also includes:

[0024] The rotating surface is rotatably arranged on the top end surface of the rotating part.

[0025] Furthermore, a mounting hole penetrating from left to right is provided on the rotating part on the inner side of the bottom of the wire take-up groove, and the take-up wire is arranged in the mounting hole.

[0026] Furthermore, four pawls are evenly distributed around the circumference.

[0027] The beneficial effects of the utility model are:

[0028] 1. The utility model makes it easier to fold and fix the curtain by providing a take-up device, and provides a one-key unfolding function.

[0029] 2. The wire collection groove provided in the utility model can store the tightening wire in the wire collection groove, making the wire collection more regular and the tightening wire stored in layers without wire jam. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0031] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0032] Figure 3 It is a schematic diagram of the structure of the inner ratchet and the pawl cooperating with each other in the utility model;

[0033] Figure 4 It is a schematic structural diagram of the ratchet pawl and the rotating part of the utility model that slides out of the inner ratchet;

[0034] Figure 5 It is a structural schematic diagram of the main view of the utility model.

[0035] The symbols in the figure are:

[0036] 1. Curtain support rod; 2. Curtain fabric; 3. Take-up wire; 5. Wire collection device; 6. Wire passage; 7. Limit rod; 8. Ratchet; 9. Rotating part; 10. Inner ratchet; 12. Wire collection groove; 13. Main body; 14. Cover; 15. Rotating surface; 16. Mounting hole. Specific embodiments

[0037] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0038] Embodiment 1:

[0039] This embodiment provides a curtain that is easy to fold, which is characterized by comprising:

[0040] Curtain rod 1;

[0041] The curtain 2, the upper end of which is fixedly mounted on the curtain support rod 1;

[0042] The tightening wire 3 is alternately inserted in the middle of the curtain 2, and the two ends of the tightening wire 3 are fixedly connected to the curtain 2;

[0043] A wire take-up device 5, which is arranged on the curtain fabric 2 and is used for winding and tightening the wire 3;

[0044] The wire taking-up device 5 comprises:

[0045] The housing has a rotating hole at the top and a wire opening 6 at each side;

[0046] A limiting rod 7, which is arranged at the top of the bottom surface of the first housing, and a ratchet 8 is provided on the limiting rod 7;

[0047] A rotating part 9, a rotating inner cavity is provided at the lower end of the rotating part 9, a limiting rod part 7 is arranged in the rotating inner cavity, and an inner ratchet 10 cooperating with the pawl 8 is provided in the rotating inner cavity, a tooth valley of the inner ratchet 10 and an inner wall of the rotating inner cavity above the inner ratchet 10 are in smooth transition, and the upper end of the rotating part 9 extends out through the rotating hole;

[0048] A return spring is arranged between the top of the limiting rod 7 and the rotating part 9 .

[0049] The curtain rod 1 is arranged on the wall above the window, and the upper side of the curtain 2 is installed along the curtain rod 1, and the curtain 2 is immovable. A tightening line 3 is arranged in the middle of the curtain 2, and the tightening line 3 is alternately inserted in the curtain 2, and the two ends of the tightening line 3 are fixed at the two ends of the curtain 2. When the tightening line 3 is pulled toward the middle, the middle of the curtain 2 is gathered to realize the gathering of the curtain 2; a take-up device 5 for winding up the take-up line 3 is arranged in the central area of ​​the curtain 2; the take-up device 5 includes a shell, a limit rod part 7, a rotating part 9 and a reset spring, a rotating hole is arranged on the top of the shell, and a through hole is arranged on each of the symmetrical sides of the shell. The wire port 6 is connected with the rotating hole. The limiting rod 7 is cylindrical and is arranged on the top end face of the bottom face of the first shell, and a groove for installing the pawl 8 is provided on the side wall of the limiting rod 7. The rotating part 9 is cylindrical and a rotating inner cavity is provided on the lower end face of the rotating part 9. The rotating part 9 is sleeved on the limiting rod 7, and an inner ratchet 10 is provided on the inner wall of the rotating inner cavity, and the tooth valley position of the inner ratchet 10 is smoothly transitioned to the inner wall of the rotating inner cavity above the inner ratchet 10, and the upper end of the rotating part 9 extends out through the rotating hole; a reset spring is arranged between the top of the limiting rod 7 and the rotating part 9.

[0050] Working principle:

[0051] During the day, the curtain needs to be rolled up, and the rotating part 9 on the rotating hole is rotated. The cooperation of the pawl 8 and the inner ratchet 10 makes the rotating part 9 only rotate in the direction of winding the tightening line 3, winding the tightening line 3, so that the curtain 2 is gathered in the middle, and the cooperation of the pawl 8 and the inner ratchet 10 can prevent the tightening line 3 from being released; when the curtain needs to be opened at night, the rotating part 9 is pressed to make the rotating part 9 slide downward on the limiting rod 7, and the inner ratchet 10 slides to the inner wall of the rotating inner cavity above the inner ratchet 10. At this time, under the action of the gravity of the curtain 2, the tightening line 3 is unfolded to realize the unfolding of the curtain 2.

[0052] The wire take-up device 5 is provided to make the curtain 2 more convenient to fold and fix, and a one-key unfolding function is provided.

[0053] Embodiment 2:

[0054] This embodiment provides a curtain that is easy to fold. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0055] It also includes: a wire taking-up groove 12 , which is arranged on the surface of the rotating part 9 , and the tightening wire 3 is fixed at the bottom of the wire taking-up groove 12 .

[0056] The wire collection groove 12 can store the tightening wire 3 in the wire collection groove 12, so that the wire collection is more regular, and the tightening wire 3 is stored in layers without wire jamming.

[0057] The housing includes:

[0058] The main body 13 is a tubular structure with a bottom, and two symmetrical wire openings 6 are provided on the wall of the tube;

[0059] The cover body 14 is threadedly connected to the top of the main body 13 and has a rotation hole.

[0060] The cover 14 is provided to facilitate installation of the rotating part 9, and the cover 14 is threadedly connected to the main body 13 for easy disassembly.

[0061] Embodiment 3:

[0062] This embodiment provides a curtain that is easy to fold. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0063] Also includes:

[0064] The rotating surface 15 is rotatably arranged on the top end surface of the rotating portion 9 .

[0065] A round rod inserted into the rotating part 9 is provided at the lower end of the rotating surface 15 . When the rotating part 9 rotates itself, the rotating surface 15 can prevent friction between the finger and the rotating part 9 .

[0066] A mounting hole 16 penetrating from left to right is provided on the rotating portion 9 on the inner side of the bottom of the wire take-up groove 12 , and the take-up wire 3 is arranged in the mounting hole 16 .

[0067] The provided mounting hole 16 can make the installation of the tightening wire 3 more convenient.

[0068] Four ratchets 8 are evenly distributed around the circumference.

[0069] Providing four pawls 8 enables the pawls 8 to withstand greater reverse rotation stress.

[0070] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which belong to the protection scope of the present application.

Claims

1. A curtain that is easy to fold, characterized in that: include: Curtain rod (1); A curtain (2), the upper end of which is fixedly mounted on the curtain support rod (1); A tightening line (3), the tightening line (3) is alternately inserted and arranged in the middle position of the curtain (2), and both ends of the tightening line (3) are fixedly connected to the curtain (2); A wire taking-up device (5), the wire taking-up device (5) is arranged on the curtain fabric (2), and the wire taking-up device (5) is used to wind up and tighten the wire (3); The wire taking-up device (5) comprises: A housing, wherein a rotation hole is provided on the top of the housing and a wire opening (6) is provided on each side; A limiting rod (7), the limiting rod (7) being arranged on the top of the bottom surface of the first housing, and a ratchet (8) being arranged on the limiting rod (7); A rotating part (9), wherein a rotating inner cavity is provided at the lower end of the rotating part (9), a limiting rod part (7) is arranged in the rotating inner cavity, and an inner ratchet (10) is provided in the rotating inner cavity for cooperating with the ratchet pawl (8), a tooth valley of the inner ratchet (10) and an inner wall of the rotating inner cavity above the inner ratchet (10) are in smooth transition, and the upper end of the rotating part (9) extends out through the rotating hole; A return spring is arranged between the top of the limiting rod (7) and the rotating part (9).

2. The easy-to-fold curtain according to claim 1, characterized in that: Also includes: The wire taking-up groove (12) is arranged on the surface of the rotating part (9), and the tightening wire (3) is fixed at the bottom of the wire taking-up groove (12).

3. The easy-to-fold curtain according to claim 1, characterized in that: The housing includes: The main body (13) is a tubular structure with a bottom, and two symmetrical wire openings (6) are provided on the wall of the tube; The cover body (14) is threadedly connected to the top of the main body (13), and a rotation hole is arranged on the cover body (14).

4. The easy-to-fold curtain according to claim 1, characterized in that: Also includes: The rotating surface (15) is rotatably arranged on the top end surface of the rotating part (9).

5. The easy-to-fold curtain according to claim 1, characterized in that: A mounting hole (16) penetrating from left to right is provided on the rotating part (9) on the inner side of the bottom of the wire collection groove (12), and the tightening wire (3) is arranged in the mounting hole (16).

6. The easy-to-fold curtain according to claim 1, characterized in that: Four ratchet claws (8) are evenly distributed around the circumference.